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IR2175STRPBF
P1-P3
P4-P6
P7-P7
4
IR2175
(S)
&
(
PbF)
www
.irf.com
Application Hint:
T
emperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time
of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these
values at each PWM period gives consistent measurement of the current feedback over the temperature drift.
Vin+= -260mV
Vs = 0V
Vin+= +260mV
Vs = 0V
Duty=91%
Duty=9%
Carrier Frequency =
130kHz
PO
PO
Timing W
aveforms
Figure 1 Output waveform
5
IR2175
(S)
&
(
PbF)
www
.irf.com
Lead Assignment
Lead Definitions
Symbol
Description
V
CC
Low side and logic supply voltage
COM
Low side logic ground
V
IN+
Positive sense input
V
B
High side supply
V
S
High side return
PO
Digital PWM output
OC
Overcurrent output (negative logic)
N.C.
No
connection
IR2175S
IR2175
8
7
6
4
3
2
1
VC
C
OC
PO
COM
NC
Vs
VIN
+
V
B
5
8
7
6
4
3
2
1
VC
C
OC
PO
COM
NC
Vs
VIN
+
V
B
5
8 le
ad SO
IC
Also
avail
able
LEAD-FREE
(PbF)
8 lead PDIP
Also
avail
able
LEAD-FREE
(PbF)
6
IR2175
(S)
&
(
PbF)
www
.irf.com
Case Outlines
01-6014
01-3003 01
(MS-001AB)
8 Lead PDIP
01-6027
01-0021 11
(MS-012AA)
8 Lead SOIC
87
5
65
D
B
E
A
e
6X
H
0.
25 [
.010
]
A
6
4
3
12
4
.
OUT
LI
NE CONFORMS T
O J
ED
EC
OUT
LI
NE
MS-
0
12
AA.
NOT
E
S:
1. DI
M
E
N
S
I
O
N
I
N
G
& TO
LE
R
AN
C
I
N
G
P
E
R
AS
M
E
Y14.5M-199
4.
2
.
CONT
ROLLI
NG DI
MENSI
O
N
:
MI
LL
I
MET
ER
3
.
D
I
MENSI
ONS ARE SHOW
N I
N MI
LLI
MET
E
RS [
I
NC
HES]
.
7
K x
4
5
°
8X
L
8X
c
y
FOOT
PRI
NT
8X 0.72
[
.
028]
6.
46 [
.2
55]
3X 1.27
[
.
050]
8X 1.78
[
.
070]
5
DI
MENSI
ON DOES NOT
I
NC
LUD
E MOLD PROT
RUSI
ONS.
6
DI
MENSI
ON DOES NOT
I
NC
LUD
E MOLD PROT
RUSI
ONS.
MO
L
D
P
R
O
TR
U
S
I
O
N
S
N
O
T TO
E
XC
E
E
D
0
.25 [.010
].
7
DI
MENSI
ON I
S
T
HE LENGT
H OF LEAD
FOR SOLD
ERI
NG T
O
A S
U
B
S
TRA
TE
.
MO
L
D
P
R
O
TR
U
S
I
O
N
S
N
O
T TO
E
XC
E
E
D
0
.15 [.006
].
0.
25 [
.010
]
CA
B
e1
A
A1
8X b
C
0.
10 [
.004
]
e1
D
E
y
b
A
A1
H
K
L
.18
9
.1497
0°
.01
3
.050 B
AS
I
C
.0532
.0040
.2284
.0099
.01
6
.1968
.1574
8°
.02
0
.0688
.0098
.2440
.0196
.05
0
4.80
3.80
0.33
1.35
0.10
5.80
0.25
0.40
0°
1.27 BA
S
I
C
5.00
4.00
0.51
1.75
0.25
6.20
0.50
1.27
MI
N
MAX
MI
LLI
MET
ERS
IN C H E S
MI
N
MAX
DI
M
8°
e
c
.
0075
.0098
0.19
0.25
.025 B
A
S
I
C
0.635
B
AS
I
C
P1-P3
P4-P6
P7-P7
IR2175STRPBF
Mfr. #:
Buy IR2175STRPBF
Manufacturer:
Infineon / IR
Description:
Motor / Motion / Ignition Controllers & Drivers Lin Cur Sens IC
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
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